Question

how many more people owned a gerbil than owned a snake?

Explanation:

Step1: Find the number of people who owned a gerbil

From the bar - graph, the number of people who owned a gerbil is \(80\).

Step2: Find the number of people who owned a snake

From the bar - graph, the number of people who owned a snake is \(60\).

Step3: Calculate the difference

Subtract the number of people who owned a snake from the number of people who owned a gerbil. The formula is \(80 - 60\).
\(80-60 = 20\)

Answer:

\(20\)